<template>
	<view>
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		<!--轮播图区域用快捷键usw可以按出来-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
					<image :src="item.image_src"></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!--分类导航区域-->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
				<image :src="item.image_src" class="nav-img"></image>
			</view>
		</view>
		<!--楼层区域-->
		<view class="floor-list">
			<view class="floor-item" v-for="(item,i) in floorList" :key="i">
				<!--楼层标题-->
				<image :src="item.floor_title.image_src" class="floor-title"></image>
				<!--楼层图片区域-->
				<view class="floor-img-box">
					<!--左侧大图片的盒子-->
					<navigator class="left-img-box" :url="item.product_list[0].url">
						<image :src="item.product_list[0].image_src"
							:style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
					</navigator>
					<!--右侧四个小图片的盒子-->
					<view class="right-img-box">
						<navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2!==0" :url="item2.url">
							<image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix">
							</image>
						</navigator>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 1. 轮播图的数据列表，默认为空数组
				swiperList: [],
				navList: [],
				floorList: []
			};
		},
		onLoad() {
			this.getSwiperList(),
				this.getNavList(),
				this.getFloorList()
		},
		methods: {
			async getSwiperList() {
				// 发起请求
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/swiperdata')
				// 请求失败
				if (res.meta.status !== 200) {
					uni.$showMsg()
				}
				this.swiperList = res.message
			},
			async getNavList() {
				// 发起请求
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/catitems')
				// 请求失败
				if (res.meta.status !== 200) {
					uni.$showMsg()
				}
				this.navList = res.message
			},
			async getFloorList() {
				// 发起请求
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/floordata')
				// 请求失败
				if (res.meta.status !== 200) {
					uni.$showMsg()
				}
				res.message.forEach(floor=>{
					floor.product_list.forEach(product=>{
						product.url='/subpkg/goods_list/goods_list?'+product.navigator_url.split('?')[1]
					})
				})
				//通过双层
				this.floorList = res.message
			},
			navClickHandler(item) {
				if (item.name === '分类') {
					uni.switchTab({
						url: '/pages/cate/cate'
					})
				}
			},
			gotoSearch() {
				uni.navigateTo({
					url: '/subpkg/search/search'
				})
			}
		},
	}
</script>

<style lang="scss">
	swiper {
		height: 330;

		.swiper-item,
		image {
			width: 100%;
			height: 100%;
		}
	}

	.nav-list {
		display: flex;
		// 均匀排列每个元素，每个元素周围分配相同的空间 。
		justify-content: space-around;
		margin: 15px 0;

		.nav-img {
			width: 128rpx;
			height: 140rpx;
		}
	}

	.floor-title {
		height: 60rpx;
		width: 100%;
	}
	
	.right-img-box{
		display: flex;
		// flex-wrap:wrap; 属性：让弹性盒元素在必要的时候拆行，也就是换行。
		flex-wrap: wrap;
		justify-content: space-around;
	}
	.floor-img-box{
		display: flex;
		padding-left: 10rpx;
	}
	.search-box{
		// 吸顶
		position: sticky;
		 top: 0;
		 z-index: 999;
	}
 </style>